34662221 has 16 divisors (see below), whose sum is σ = 39389760. Its totient is φ = 30213120.

The previous prime is 34662217. The next prime is 34662223. The reversal of 34662221 is 12226643.

It is a cyclic number.

It is not a de Polignac number, because 34662221 - 2² = 34662217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34662223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61286 + ... + 61848.

It is an arithmetic number, because the mean of its divisors is an integer number (2461860).

Almost surely, 2^34662221 is an apocalyptic number.

It is an amenable number.

34662221 is a deficient number, since it is larger than the sum of its proper divisors (4727539).

34662221 is a wasteful number, since it uses less digits than its factorization.

34662221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its digits is 3456, while the sum is 26.

The square root of 34662221 is about 5887.4630359774. The cubic root of 34662221 is about 326.0509442761.

Adding to 34662221 its reverse (12226643), we get a palindrome (46888864).

It can be divided in two parts, 346622 and 21, that added together give a palindrome (346643).

The spelling of 34662221 in words is "thirty-four million, six hundred sixty-two thousand, two hundred twenty-one".